CONTENTS. IX 



NUMBER II. 



Pa^e. 

 Art. I. Analysis of the Meteoric Iron of Louisiana, and 

 discovery of the Stanniferous Columbite in Mas- 

 sachusetts; by C. U. Shepard, - - 217 

 II. Prof. Bessel, on Mr. F. R. Hassler's views as to an 

 accurate survey of the coast of the United States. 

 Communicated by Prof James Renwick, of Colum- 

 bia College, New York, ... 225 



III. Prof. Mitchell, on the Effect of Quantity of Matter 



in Modifying the Force of Chemical Attraction, 234 



IV. Iodine in the Mineral Waters of Saratoga. Com- 



municated by John H. Steel, M. D. - 242 



V. Observations on Ignis Fatuus ; by Rev. John Mitch- 

 ell, ----- 246 

 VI. Resuscitation by Oxygen Gas, from apparent death 



by drowning, _ _ _ _ 250 



VII. Lieut. Wilkes' account of Hassler's Repeating The- 

 odolite, - - - - . 2o2 

 VIII. Prof. Vanuxem, on the characters and classification 



of certain American Rock Formations, - 254 



IX. Translations and abstracts from the French ; by 



Prof. Griscom, - - - . 257 



X. Action of Sulphuric Acid on Alcohol, and the pro- 

 ducts which result from it. Translated and 

 abridged from the French, by Prof. Griscom, 2G7 



XI. Algebraic Solution ; by Mr. C. Wilder, of New 



Orleans, - - - - - 271 



XII. Solution of a Problem in Fluxions ; by Prof. Theo- 

 dore Strong, - - _ _ 283 



XIII. Meteorological Table, with Remarks; by Gen. 



Martin Field, - - _ . 288 



XIV. Speculations with respect to the cause of the Au- 



rora Borealis or Northern Lights, - 290 



XV. Chemical Instruments and Operations; by Prof. 



Robert Hare, M. D. - - - 293 



XVI. Argillite, embracing Anthracite Coal; by Prof. 



Amos Eaton, - - . . 299 



XVII. Telescopes — Life of Fraunhofer, - . 301 



XVIII. Cooper's Rotative Piston, - - - 313 



XIX. Sketches of Naval Life, &c. with remarks and ex- 

 tracts by the Editor, - - . 320 

 XX. Dr. Steel's description of the High Ro:k Spring, at 



Saratoga, with a drawing, - - 341 



XXI. Real and supposed effects of igneous action, 345 



B 



